Pete Alonso
Pete Alonso
26-Year-Old First Baseman1B
New York Mets
2021 Fantasy Outlook
Alonso had an amazing rookie season in Queens, which we knew was going to be exceedingly tough for him to repeat. It does not mean he did not try to repeat those lofty numbers, but the first baseman ultimately left managers wanting more. The thing with his metrics is most of them were right in line with his 2019 numbers, from his average exit velocity to his launch angle, but the little wiggle in his HR/FB - from 31% to 25% - cut into his homer ability. Perhaps the 2020 baseball was not as bouncy, though one thing that really stands out is his struggles against the fastball last season. Alonso had a .294 AVG and .669 SLG against the fastball as a rookie, but those numbers fell to .243 and .513 in his sophomore campaign. The power is still ridiculous, but 2020 was a humbling experience. Bank on a rebound toward his 2019 numbers in 2021, but expecting a repeat of those numbers is not the mindset to take here. Read Past Outlooks
RANKSFrom Preseason
#55
ADP
$Signed a one-year, $676,775 contract with the Mets in March of 2021.
Smacks 23rd homer
1BNew York Mets
July 29, 2021
Alonso went 1-for-4 with a two-run home run Thursday against Atlanta.
ANALYSIS
Alonso took Drew Smyly yard in the fifth inning to record his 23rd homer of the season. He's produced at a high level since the All-Star break, racking up six homers, 13 RBI and nine runs scored in 12 starts. For the season, Alonso has a .262/.338/.512 line across 370 plate appearances with 62 RBI and 47 runs scored.
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Batting Stats
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2021
2020
2019
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2020 MLB Game Log
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2019 MLB Game Log
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Batting Order Slot Breakdown
vs Right-Handed Pitchers
vs RHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
5
15
42
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
10
2
18
Left/Right Batting Splits
Since 2019
 
 
+4%
OPS vs LHP
2021
 
 
+30%
OPS vs LHP
2020
 
 
+21%
OPS vs RHP
2019
Even Split
OPS PA R HR RBI SB AVG OBP SLG
Since 2019vs Left .914 373 53 31 65 1 .240 .346 .568
Since 2019vs Right .879 937 129 61 152 2 .260 .346 .533
2021vs Left 1.004 118 18 12 22 1 .270 .364 .640
2021vs Right .770 260 30 11 40 0 .255 .323 .447
2020vs Left .717 77 9 5 8 0 .194 .299 .418
2020vs Right .864 162 22 11 27 1 .248 .340 .525
2019vs Left .941 178 26 14 35 0 .240 .354 .587
2019vs Right .941 515 77 39 85 1 .266 .359 .582
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Home/Away Batting Splits
Since 2019
 
 
+9%
OPS on Road
2021
 
 
+30%
OPS on Road
2020
 
 
+40%
OPS at Home
2019
 
 
+11%
OPS on Road
OPS PA R HR RBI SB AVG OBP SLG
Since 2019Home .837 623 76 41 95 1 .230 .332 .505
Since 2019Away .914 667 102 48 117 1 .270 .352 .561
2021Home .726 180 15 7 22 1 .231 .322 .404
2021Away .941 198 33 16 40 0 .285 .348 .592
2020Home .866 106 13 7 16 0 .263 .340 .526
2020Away .618 113 14 6 14 0 .156 .274 .344
2019Home .888 337 48 27 57 0 .218 .335 .553
2019Away .989 356 55 26 63 1 .297 .379 .610
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Stat Review
How does Pete Alonso compare to other hitters?
This section compares his stats with all batting seasons from the previous three seasons (minimum 400 plate appearances)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity and Barrels/PA % are benchmarked against 2019 data (min 400 PA) and Hard Hit Rate is benchmarked against last season's data (min 400 PA). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • BB/K
    Walk to strikeout ratio
  • BB Rate
    The percentage of plate appearances resulting in a walk.
  • K Rate
    The percentage of plate appearances resulting in a strikeout.
  • BABIP
    Batting average on balls in play. Measures how many of a batter’s balls in play go for hits.
  • ISO
    Isolated Power. Slugging percentage minus batting average. A computation used to measure a batter's raw power.
  • AVG
    Batting average. Hits divided by at bats.
  • OBP
    On Base Percentage. A measure of how often a batters reaches base. Roughly equal to number of times on base divided by plate appearances.
  • SLG
    Slugging Percentage. A measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats.
  • OPS
    On base plus slugging. THe sum of a batter's on-base percentage and slugging percentage.
  • wOBA
    Weighted on-base average. Measures a player's overall offensive contributions per plate appearance. wOBA combines all the different aspects of hitting into one metric, weighting each of them in proportion to their actual run value.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Hard Hit Rate
    A measure of contact quality from Sports Info Solutions. This stat explains what percentage of batted balls were hit hard vs. medium or soft.
  • Barrels/PA
    The percentage of plate appearances where a batter had a batted ball classified as a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
BB/K
0.46
 
BB Rate
9.3%
 
K Rate
20.1%
 
BABIP
.268
 
ISO
.245
 
AVG
.260
 
OBP
.336
 
SLG
.504
 
OPS
.840
 
wOBA
.363
 
Exit Velocity
83.8 mph
 
Hard Hit Rate
36.6%
 
Barrels/PA
13.5%
 
Prospect Rankings History
Advanced Batting Stats
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Additional Stats
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Defensive Stats
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Batted Ball Stats
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Stats Vs Upcoming Pitchers
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Recent RotoWire Articles Featuring Pete Alonso
FanDuel MLB: Saturday Targets
8 days ago
Pete Alonso who’s going against Hyun Jin Ryu, is in the middle of a power surge and hits lefties well.
DraftKings MLB: Monday Breakdown
13 days ago
Mike Barner likes the look of a Nats stack Monday against the Marlins.
DraftKings MLB: Saturday Breakdown
15 days ago
Christopher Olson is endorsing a San Diego stack against Patrick Corbin and the Nationals.
FanDuel MLB: Saturday Targets
15 days ago
Chris Bennett says the price isn’t too high for hot bat Juan Soto and the upside is immense.
FanDuel MLB: Friday Targets
16 days ago
Chris Bennett previews Friday’s FanDuel slate, rolling with Royals catcher Sal Perez as a value option against Baltimore.
Past Fantasy Outlooks
2020
2019
2018
2017
Alonso's 80-grade power plays in any environment, but the juiced ball made him especially lethal in his debut season. After breaking camp with the Mets, Alonso immediately justified his top-prospect billing early on, notching 12 extra-base hits and 17 RBI in his first 12 games. His power pace only slowed moderately from there, as the 25-year-old went on to lead MLB with 53 homers, breaking Aaron Judge's two-year-old rookie record. Almost just as encouragingly, Alonso kept his strikeout rate at an acceptable level (26.4%), something that had been a concern as he made the jump from Triple-A. Since he doesn't steal bases, Alonso would probably need to trade more pop flies for line drives to emerge as anything more than a neutral asset in batting average, but the high floor he offers in three categories makes him a comfortable early-round fantasy selection in 2020, and likely, many years to follow.
When factoring in his Arizona Fall League exploits, Alonso hit 42 home runs in 159 games last year, cementing himself as the top slugger in the minors. The 24-year-old first baseman has no problem squaring up elite velocity -- he took a 104-mph fastball out to center field in the Fall Stars game -- but can still be eaten up by good offspeed pitches. While the other top prospects expected to be called up in mid-to-late April, Vladimir Guerrero Jr. and Eloy Jimenez, project to be positive contributors in batting average and power right away, Alonso’s batting average will likely be closer to .230 than .270 in his first big-league season. That said, he has 80-grade power and should have no trouble posting big home run and RBI totals from day one. It is very rare that a R/R first base prospect emerges as a valuable dynasty-league asset, and the fact that Alonso has done so is a testament to his work ethic, which gets rave reviews.
A fairly easy player to evaluate, Alonso has a couple very clear strengths, and a couple very clear weaknesses. He has huge raw power -- his .231 ISO, which ranked second in the Florida State League, represented his career low in that metric. Alonso is also excellent at making contact, relative to most power hitters. His 18.5 percent strikeout rate at High-A was a career worst, and he struck out just 14.9 percent of the time in a brief 11-game run at Double-A to close the season. However, the right-handed slugger has dramatic splits. He absolutely obliterates left-handed pitching but is pretty mediocre against righties, especially for a first baseman. Additionally, he is a subpar defender, even at first base. The Mets have a better internal option in Dominic Smith, who is basically big-league ready, yet the organization is still entertaining ideas of getting a veteran placeholder there. If they follow through with that, Alonso would be a distant third on the organizational depth chart. He is probably best suited for the short side of a platoon in the American League.
As a right-handed first baseman who has yet to play in a full-season league, Alonso will not be showing up on real life prospect lists anytime soon. However, he should already be on the radar of dynasty league owners. Double-plus raw power is his calling card. That power was always on display at Florida, leading the Mets to select him with the 64th overall pick in 2016. His .266 ISO and 184 wRC+ illustrate how much damage he did in his brief 30-game run in the New York-Penn League, and his .969 OPS would have easily led the league if he had enough plate appearances to qualify. Alonso's hit tool, particularly his ability to hit right-handed pitching, will be what makes or breaks his ability to profile as a cleanup-hitting everyday player. Despite his gaudy overall numbers, he hit just .262/.306/.415 with a 4:15 BB:K in 65 at-bats against righties. Elite power makes him worth a flier in deeper formats, and it should become clear in a year if he is still worth a roster spot.
More Fantasy News
Goes deep again
1BNew York Mets
July 25, 2021
Alonso went 1-for-4 with a two-run homer in Sunday's 5-4 win over Toronto.
ANALYSIS
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Carries offense in win
1BNew York Mets
July 24, 2021
Alonso went 2-for-4 with two home runs and three RBI in Friday's 3-0 win over the Blue Jays.
ANALYSIS
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Homers in loss
1BNew York Mets
July 20, 2021
Alonso went 2-for-5 with a solo home run in Tuesday's 4-3 loss to the Reds.
ANALYSIS
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Launches 18th homer
1BNew York Mets
July 20, 2021
Alonso went 2-for-6 with a home run and three RBI in Monday's 15-11 extra-innings win over the Reds.
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On base four times in loss
1BNew York Mets
July 16, 2021
Alonso went 1-for-1 with a double, three walks and a run scored in Friday's 4-1 loss to Pittsburgh.
ANALYSIS
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